/Engine/Source/Runtime/Engine/Public/PrimitiveSceneProxy.h
Callback from the renderer to gather simple lights that this proxy wants renderered.
virtual void GatherSimpleLights ( const [FSceneViewFamily](API\Runtime\Engine\FSceneViewFamily) & ViewFamily, [FSimpleLightArray](API\Runtime\Engine\FSimpleLightArray) & OutParticleLights ) const